甲波长是乙波长的5倍，则乙的频率是甲的频率的______，两列波的速度之比是__

阅读理解。

     My name is David. I am an English boy. My

family are in Beijing. My father and mother work

there. I have a sister but no brothers.

      My sister and I are students of a middle school

in Beijing.We love China. We have a nice house in

Beijing.

     My room is big.  There is a bed, a desk and a

computer in it. My books are on my desk and

next to my computer. There are some pop singers'

pictures on the wall.  I like them.     

1. There are       people in David's family

A. four                        

B. five

C. three                      

D. six

2. David has      .

A. a brother                

B. a sister

C. brothers                  

D. sisters

3. Where is the computer?

A. It is on the bed.

B. It is in the desk.

C. It is on the wall.

D. It is next to the books.

4. What is on the wall?

A. A family photo.

B. Some pictures of pop singers.

C. David's photo.

D. His friends' pictures.

5. Is there a TV in his room?

A. Yes, there is.

B. No, there is.

C. No, there isn't.

D. Yes, there isn't.

读图，“伯明翰（英国）年内各月气温降水量图”回答下列问题：

1、欧洲西部大西洋沿岸典型气候是[ ]

    A、温带季风气候

    B、温带海洋性气候

    C、温带大陆性气候

    D、地中海气候

2、当地人们利用该气候适合多汁牧草生产的特点，大力发展[ ]

    A、种植业

    B、林业

    C、畜牧业

    D、渔业

按我国现行投资构成，下列费用中不属于工程建设其他费用的是()。

A．勘察设计费

B．研究试验费

C．建设期贷款利息

D．联合试运转费

日耳曼人在西罗马帝国的废墟上建立起最强大的国家_________________。

（）是指外国商品进入内地或外商从内地收购土货出口。

A.进口税

B.出口税

C.子口税

D.复进口税